Parts for your 2023 Mitsubishi Eclipse cross-Egr valve

2023 Mitsubishi Eclipse Cross EGR valve: is it fitted, and does it matter?

For the 2023 Mitsubishi Eclipse Cross sold in Australia and New Zealand (1.5‑litre turbo petrol and PHEV powertrains), a conventional, external EGR valve isn’t fitted. This is based on Mitsubishi Motors technical documentation and catalogues that cover the GK/GL-series Eclipse Cross. The Eclipse Cross Service Manual for the 1.5L 4B40 engine (Engine Control/System Configuration) lists the emissions and engine management hardware without any EGR valve or EGR cooler. The Eclipse Cross PHEV powertrain documents for the 2.4L Atkinson-cycle 4B12 likewise detail dual VVT, wide-range cam phasing and three‑way catalytic aftertreatment, again without an external EGR assembly. Mitsubishi’s ASA/ASA2 global parts catalogue for these gasoline models also does not show an “EGR valve” service part, whereas EGR components do appear only on earlier overseas diesel variants not offered locally in 2023.

Why no EGR on this model? The petrol turbo and PHEV engines are engineered to meet local ADR/NZTA emissions rules using:

• Internal EGR via MIVEC (variable cam timing) that manages overlap to recirculate a controlled amount of spent gas inside the cylinders, without a separate valve.
• Highly efficient three‑way catalysts and precise direct injection fueling to keep NOx in check.
• Atkinson‑cycle operation in the PHEV, which naturally lowers combustion temperatures and NOx formation, reducing the need for external EGR hardware.

These strategies trim complexity and the soot-related maintenance that external EGR systems on diesel engines often need. There’s simply no discrete EGR valve to service on a 2023 Eclipse Cross petrol or PHEV. If a workshop suggests EGR cleaning for this vehicle, it’s worth asking them to point out the component under the bonnet—they won’t find a standalone valve or cooler on these engines.

Technical sources referenced: Mitsubishi Motors Eclipse Cross (GK/GL) Service Manual — Engine Control (4B40, gasoline) and PHEV powertrain descriptions (4B12), plus Mitsubishi ASA/ASA2 global parts catalogues for GL3W/GL4W gasoline models, and Mitsubishi technical papers describing the 1.5L downsized turbo’s use of high tumble ports and wide-range VVT rather than external EGR hardware.

• Does the 2023 Mitsubishi Eclipse Cross have an EGR valve?
  For AU/NZ petrol and PHEV models, no. There’s no separate EGR valve or cooler fitted, and none is listed as a service part in Mitsubishi’s catalogues for these engines.
• How does it control emissions without EGR?
  It leans on MIVEC cam phasing to provide internal EGR, direct injection for precise combustion, and a three‑way catalytic converter. The PHEV’s Atkinson‑cycle engine also runs cooler, reducing NOx at the source.
• Can an EGR valve be retrofitted to a 2023 Eclipse Cross?
  There’s no practical or approved retrofit. The engine management, calibration and hardware aren’t designed for an external EGR circuit, so adding one would create more problems than benefits.